UF 563 
.fl8 fl5 
1917 
Copy 1 



MErALEDGE. INC. 2008 
PH7^T09^PAX 



UF 563 
.flS fl5 
1917 
1 Copy 1 



No. 1986 



I- 



DIRECTIONS FOR USING, MOUNTING 
AND DISMOUNTING 

I-PDR* AND 2.95-INCH SUBCALIBER GUNS 

IN THE BORE OF SEACOAST GUNS AND MORTARS 



(7 PLATES) 



AND INSTRUCTIONS FOR USING THE 

RELOADING AND RESIZING OUTnT 
FOR DRILL PRIMERS 



(2 PLATES) 



JANUARY 18, 1904 
REVISED JANUARY 10, 1907 
REVISED APRIL 14, 1910 
REVISED AUGUST 8, 1914 




WASHINGTON 
GOVERNMENT PRINTING OFFICE 

1^17 



No. 1986 



DIRECTIONS FOR USING, MOUNTING 
AND DISMOUNTING 

1-PDR. AND 2.95-INCH SUBCALIBER GUNS 

IN THE BORE OF SEACOAST GUNS AND MORTARS 



HI 



(7 PLATES) 



AND INSTRUCTIONS FOR USING THE 

RELOADING AND RESIZING OUTFIT 
FOR DRILL PRIMERS 



(2 PLATES) 



JANUARY 18, 1904 
REVISED JANUARY 10, 1907 
REVISED APRIL 14, 1910 
REVISED AUGUST 8, 1914 




WASHINGTON 

GOVERNMENT PRINTING OFFICE 

1917 



-^'M 



D, of D. 
AUG 14 1917 



Wab Depabtment, 

Office of the Chief of Oednakce, 

Washington, August 8, WUf. 
This Manual is published for the information and government of the Regular 
Army and Organized Militia of the United States. 
By order of the Secretary of War : 

William Ceozier, 
Brigadier General, Chief of Ordnance. 
(3) 



DIRECTIONS 



MOUNTING A^D DISMORsTKG l-POUJsDER SUBCALTBEK GUNS 
K THE BORE OF SEACOAST GUNS. 



6-INCH GUNS, MODELS OF 1900 AND 1903, AND 10 AND 12 INCH 
GUNS, MODEL OF 1900. 



DIRECTIONS FOR ASSEMBLING. 

Chamber and bore of subcaliber gun and of large gun must be 
perfectly clean. 

Eemove blank plugs from mushroom head and put on obturator 
spindle plate with its two screws, tighten the screw heads up on the 
plate, using the securing screw wrench for the purpose. 

Insert loading tray, where provided, to prevent bruising the 
adapters on the breech threads. 

See that rear adapter wedge is all the way forward, and insert 
subcaliber gun. with adapters (wedge uppermost), into chamber of 
large gun, pushing it smartly forward with the handspike to cause 
the front adapter to seat firmly in slope of chamber. 

Supporting subcaliber gun with handspike, slip the bronze shoe 
under rear adapter. 

Having made sure that subcaliber gun is as far forward as it can 
go, remove handspike. Slip locating gauge over obturator spindle 
plate, leaving a space between gauge and spindle plate. Close breech 
gently. If resistance is encountered, the gun is too far to the rear. 
Open the breech and turn gun right handed. If no resistance is 
encountered in closing, open breech and note whether gauge has 
been pushed back against spindle. If it has not been pushed all the 
way back, turn the gun left handed one turn for each 0.1 inch. Con- 
tinue to try in this manner until the gauge is pushed just against 
the spindle plate when closing the gun. 

Having adjusted subcaliber gun until the locating gauge is pushed 
exactly against spindle plate by closing breech, tighten the wedge 
screw with clamping screw driver, setting the wedge firmly back 
against rear slope of chamber to prevent subcaliber gun from turn- 
ing. -The gun is then ready for firing. 

(5) 



DIKECTIOXS FOR DISMOUNTING. 

Insert loading tray, if one is provided. 

Ease up wedge screw and run wedge all the way forward, insert 
handspike, lift on same to support the weight, remove adapter shoe, 
and pull the subcaliber gun to the rear and out. 

This order must always be followed, for if the shoe is removed be- 
fore the subcaliber gun is loosened, letting down the breech of the 
subcaliber gun will cause the front adapter to bind in its seat and 
there will be considerable difficulty in removing the subcaliber gun. 

If the subcaliber gun sticks in the bore of the large gun, insert the 
gun extractor rod into and through the bore of the subcaliber gun 
until the foot on the front end of the rod can be caught against the 
muzzle face of the subcaliber gun. Then slip the gun-extractor rod 
strap over the rear end of the rod until it comes up against the breech 
face of the larger gun. Apply the nut and screw up on the nut until 
the subcaliber gun is loosened, after which remove the gun-extractor 
rod, and proceed to remove the subcaliber gun as if it had not stuck. 



1-POUNDER SUBCALIBER GUN FOR 5-INCH GUN, MODEL OF 1900. 



DIRECTIONS FOR ASSEMBLING. 

Chamber and bore of subcaliber gun and of large gun must be 
perfectly clean. 

Eemove blank plugs from mushroom head and put on obturator 
spindle plate with its two screws; tighten the screw heads upon the 
plate. 

Insert subcaliber gun, with its adapters, into chamber of large 
gun, being careful to see that the outer circumference of the outer 
ring of rear adapter is concentric with subcaliber gun, and push it 
forward with the handspike until the center support is seated firmly 
in slope of chamber. Also see that the rear face of the rear adapter 
is in contact with the front face of the breech hoop on the subcaliber 
gun. This will facilitate the handling of the shoe. 

Supporting 'breech of subcaliber gun with handspike, turn outer 
ring of rear adapter by pushing on lug provided for that purpose 
with dismounting pin as far to the left as the stops will permit. The 
rear adapter at this time is abutting against the set screw in body of 
subcaliber gun. 

Screw gun further forward until shoe can be inserted loosely. 
This is necessary because shoe is too large to pass between cylindrical 
part of breech hoop and choke of powder chamber. 

Now screw gun back until about J inch or 1 inch in rear of proper 
position. The eccentric and adapter will turn with the gun because 
not locked by shoe. 

Secure subcaliber gun by inserting the shoe beneath the rear 
adapter. 

Screw gun forward to its proper position as indicated b}' the 
locating gauge. Nothing prevents this, as set screw is now moving 
forward and away from adapter. 

Having made sure that subcaliber gun is as far forward as it can 
go, remove handspike. Slip locating gauge over obturator spindle 
plate, leaving a space between gauge and spindle plate. Close breech 
gently. If resistance is encountered, the gun is too far to the rear. 
Open the breech and turn gun right handed. If no resistance is 
encountered in closing, open breech and note whether gauge has 
been pushed back against spindle. If it has not been pushed all the 



s 

way back, turn the gun left handfed, 1 turn for each 0.1 inch. Con- 
tinue to try in this manner until the gauge is pushed just against 
the spindle plate when closing the gun. 

Having adjusted subcaliber gun until the locating gauge is pushed 
exactly against spindle plate by closing breech, tighten screw of rear 
adapter shoe with screw driver, thus tightening the adapter and pre- 
vent the gun from moving forward. 

The gun is then ready for firing. 

DIRECTIONS FOR DISMOUNTING. 

Ease up adapter shoe screw, insert handspike, lift on same to sup- 
port weight, and remove adapter shoe. 

Using the dismounting pin, turn outer ring of rear adapter to the 
right until it stops, then pull gun to the rear and out. 

A small set screw is let into the body of the subcaliber gun just 
forward of the rear adapter. This set screw must be removed when 
it becomes necessary to remove the rear adapter, but must be re- 
placed when rear adapter is put back on the gun. 

The dismounting pin is provided in case of necessity for removing 
adapters. 

If the subcaliber gun sticks in the bore of the large gun, insert the 
gun extractor rod into and through the bore of the subcaliber gun, 
until the foot on the front end of the rod can be caught against the 
muzzle face of the subcaliber gun; then slip the gun extractor-rod 
strap over the rear end of the rod, until it comes up against the 
breech face of the larger gun. Apply the nut and screw up on it 
until the subcaliber gun is loosened, after which remove the gun 
extractor rod and proceed to remove the subcaliber gun as if it had 
not stuck. 



4-INCH DRIGGS-SCHROEDER AND 4.72-INCH AND 6-INCH ARM- 
STRONG GUNS. 



DIRECTIONS FOR ASSEMBLING. 

Chamber and bore of subcaliber gun and of large gun must be 
perfectly clean. 

Insert subcaliber gun, ^Yith supports, into bore of large gun, push- 
ing it completely forward with the handspike to cause the flange of 
rear adapter to seat firmly against the tube of large gun.- 

Tighten expanding screw in rear adapter to clamp the adapter 
sleeve against wall of chamber, using the clamping, screw driver. 
The gun is then ready for firing. 

DIRECTIONS FOR DISMOUNTING. 

Ease up expanding screw, insert handspike, lift on same to sup- 
port the weight, and pull the subcaliber gun to the rear and out. 

The dismounting pin is provided in case of any necessity for remov- 
ing front adapter or supports. 

If the subcaliber gun sticks in the bore of the large gun, insert the 
gun-extractor rod into and through the bore of the subcaliber gun 
imtil the foot on the front end of the rod can be caught against the 
muzzle face of the subcaliber gun. Then slip the gun-extractor rod 
strap over the rear end of the rod until it comes up against the breech 
face of the larger gun. Apply the nut and screw up on the nut until 
the subcaliber gun is loosened, after which remove the gim-extractor 
rod and proceed to remove the subcaliber gun as if it had not stuck. 

J03i)39— 17 2 (9) 



5 AND 6 INCH GUNS, MODEL OF 1897, AND 6-INCH GUNS, MODELS 
OF 1905, 1908, 1908 Mi, AND 1908 Mii. 



DIRECTIONS FOR ASSEMBLING. 

. Chamber and bore of subcaliber gun and of large gun must be 
perfectly clean. 

Put on obturator spindle plate with its two screws, using the screw- 
driver for the purpose, and tighten the screw heads upon the plate. 

Insert subcaliber gun, with adapters, into chamber of large gun, 
pushing it smartly forward with the handspike to cause the front 
adapted to seat firmly in slope of chamber. 

Having made sure that subcaliber gun is as far forward as it can 
go, remove handspike. Slip locating gauge over obturator spindle 
plate, leaving a space between gauge and spindle plate. Close breech 
gently. If resistance is encountered, the gun is too far to the rear. 
Open the breech and turn gun right handed. If no resistance is 
encountered in closing, open breech and note whether gauge has 
been pushed back against spindle. If it has not been pushed all the 
way back, turn the gun left handed one turn for each 0.1 inch. 

Continue to tiw in this manner until the gauge is pushed just 
against the spindle plate when closing the gun. 

Having adjusted subcaliber gun until the locating gauge is pushed 
exacth^ against spindle plate by closing breech, tighten expanding 
or clamp screw with clamping screw driver. After this tighten the 
thread clamp screw to prevent the gun from turning. The gun is 
then ready for firing. 

DIRECTIONS FOR DISMOUNTING. 

Ease up expanding or clamp screAv, insert handspike, lift on same 
to support the weight, and pull the subcaliber gun to the rear and 
out. 

The dismounting pin is provided in case of any necessity for 
removing front adapter or muzzle support. 

If the subcaliber gun sticks in the bore of the large gun. insert the 
gim-extractor rod into and through the bore of the subcaliber gun 
until the foot on the front end of the rod can be caught against the 
muzzle face of the subcaliber gun; then slip the gun-extractor rod 
strap over the rear end of the rod until it comes up against the breech 
face of the larger gun. Apply the nut and screw up on the nut until 
the subcaliber gun is loosened, after which remove the gun-extractor 
rod and proceed to remove the subcaliber gun as if it lu\d not stuck. 



8-INCH GUNS, MODEL OF 1888, 10 AND 12 INCH GUNS, MODELS OF 
1888 AND 1895, AND 14-INCH GUNS, ALL MODELS. 



DIRECTIONS FOR ASSEMBLING. 

Chamber and bore of subcaliber gun and of large gim must be 
perfectly clean. 

Remove blank pressure plugs from mushroom head and put on 
obturator spindle plate with its two screws, using the tit wrench. 
Tighten the screw heads upon the plate. 

Insert the loading tray, if one is provided, to prevent bruising the 
adapters on the breech threads. 

Insert subcaliber gun, with adapters, into the chamber of large 
gun, pushing it smartly forward with the handspike, to cause the 
front adapter to seat firmly in slope of chamber, which it is tapered 
to fit. 

Tighten clamp- wedge screws in rear adapter to cause clamp wedge 
to expand the adapter against walls of chamber, using the clamping 
wrench. 

Having made sure that subcaliber gun is as far forward as it can 
go, remove handspike. Slip locating gauge over obturator spindle 
plate, leaving a space between gauge and spindle plate. Close breech 
gently. If resistance is encountered, the gun is too far to the rear. 
Open the breech and turn gun right handed. If no resistance is 
encountered in closing, open breech and note whether gauge has 
been pushed back against spindle. If it has not been pushed all the 
way back, turn the gun left handed one turn for each 0.1 inch. Con- 
tinue to try in this manner until the gauge is pushed just against 
the spindle plate when closing the gun. 

Having adjusted subcaliber gun until the locating gauge is pushed 
exactly against the spindle plate by closing breech, tighten the thread 
clamp screw with the clamping wrench to prevent gun from turning. 
The gun is then ready for firing. 

DIRECTIONS FOR DISMOUNTING. 

Insert loading tray, if one is provided. 

Ease up l)oth clamp screws, insert handspike, lift on same to 
suppoi't the weight, and pull the subcaliber gun to the rear and out. 

(13) 



14 

If the subcaliber gun sticks in the bore of the large gun, insert 
the gun extractor rod into and through the bore of the subcaliber 
gun until the foot on the front end of the rod can be caught against 
the muzzle face of the subcaliber gun; then slip the gun-extractor 
rod strap over the rear end of the rod until it comes up against the 
breech face of the larger gun. Apply the nut and screw up on the 
nut until the subcaliber gun is loosened, after which remove the gun- 
extractor rod and proceed to remove the subcaliber gun as if it had 
not stuck. 

GEJsERAL DIRECTIONS FOR USE, CARE, AND PIANDLIXG OF ALL 1 -POUNDER 

SUBCALIBER GUNS. 

Insert cartridge, close the breech, and fire as with regular ammuni- 
tion, removing the empty cartridge case after each round with the 
hand extractor. 

If the case sticks and can not be removed with the limit of extrac- 
tion given by the hand extractor, use the clip extractor, which is 
provided for such an emergency. A light rope may be passed through 
the eye of this extractor, and force exerted by a lever against the 
face of the breech, if necessary. 

It is best to try locating gauge after one or two rounds, to be 
sure the gun has not moved forward, and this should be repeated 
frequently. 

Any fouling of vent in mushroom must be removed with vent 
cleaner. 

Care should be taken, in assembling and dismounting, and at all 
timee, to prevent the turned surfaces of adapters from coming in 
contact with any hard substance. If a burr should appear, it must 
be smoothly filed down before assembling. 

Particular care must be taken, in loading, not to drive the point 
of the shell against the edge of the chamber of subcaliber gun. 

The clamp screw^s and adapter hubs should alwa3^s be kept well 
oiled. An oil can is provided for this purpose. 

After firing, the gun should be washed out and the bore lubricated 
with light slushing oil. 

During firing, when necessary, the gun should be washed out and 
cleaned with oil. 

The chamber and bore of small gun should be lightly oiled when 
put away. The cleaning sponge is removable from its rod, and 
should be thoroughly cleaned and dried after use. 

Two forms of locating gauges have been provided, one of which is 
fitted in the chamber of the 1-pounder subcaliber gun and the other 
is fitted to the edge of the spindle plate on the front face of the 
obturator. 



15 



STATEMENT AS TO INTEKCHANUEABILITY OF 1-POUNDER SUBCALIBER GUNS. 



1-pounder subcaliber guns adapted for — 



When fitted with the proper adapters can 
also be used in — 



4-incli Driggs-Schroeder gun. 

4.72-inch Armstrong gun. 

5-inch gun, model of 1897. 

5-inch gun, model of 1900. 

6-inch guns, models of 1897 and 1908. 
6-inch guns, models of 1900 and 1903. 

6-inch guns, model of 1905. 

8, 10, 12, and 14 inch guns, all models. 



6-inch, 1905. 

8, 10, 12, and 14 inch guns, all models. 

6-inch, 1905. 

8, 10, 12, and 14 inch guns, all models. 

6-inch, 1905. 

8, 10, 12, and 14 inch guns, all models. 

6-inch, 1905. 

8, 10, 12, and 14 inch guns, all models. 

10, 12, and 14 inch guns, all models. 

6-inch, 1905. 

8, 10, 12, and 14 inch guns, all models. 

6-inch, 1900 and 1903. 

8, 10, 12, and 14 inch guns, all models. 

6-inch models of 1900, 1903. and 1905. 



Chests for 1-Pouxder Subcaliber Guns and Adapters. 

Two models of storage chests are now being manufactured. These 
are storage chest " B/' which contains the 1-pounder subcaliber gun, 
together with certain tools which are common to various seacoast 
guns, and storage chest " C," which contains those articles which 
are different for every model and caliber of seacoast gun, such as 
adapters and certain tools. 

Two types of storage chest " B " are made. One of these is for 
tools and subcaliber guns for 4-inch Driggs-Schroeder, 4.72-inch 
Armstrong, or 6-inch Armstrong guns. The other is for tools and 
subcaliber guns for all other seacoast guns. 

AMMUNITION. 

The ammunition issued for these guns consists of a steel shell with 
blank point fuze plug, weight T,500±:150 grains, fixed to a cartridge 
case, the total weight of a complete round being about 1.585 pounds. 
The. use of the point percussion fuze, designed for 1-pounder ammu- 
nition, has been discontinued. The ammunition is issued packed in 
wooden boxes, 50 rounds to the box. The primer used in the base 
of the cartridge case is either an igniting primer or a percussion 
primer, depending upon the gun in wliich the subcaliber gun is used. 
Subcaliber guns mounted in 4-inch Driggs-Schroeder and 4.7*2 and C^ 
inch Armstrong guns require percussion-primed ammunition. All 
other guns require igniting-primed ammunition. 



^ 



DIRECTIONS 

FOB 



USWG, MOUNTING, AND DISMOUNTING 2.95-IN('H SUBCALIBER 
GUNS IN THE BORE OF 12-INCH MORTARS, ALL MODELS. 



DIRECTIONS FOR ASSEMBLING. 

Chamber and bore of subcaliber gun and of mortar must be per- 
fectly clean. 

Remove blank pressure plugs from mushroom head and put on 
obturator spindle plate with its two screws, using the securing-screw 
wrench. Tighten the screw heads upon the plate. 

Insert the loading tray to prevent bruising the adapters on the 
breech threads. 

Insert subcaliber gun, with adapters, into the chamber of the mor- 
tar, pushing it smartly forward Avith the handspike to cause the 
front adapter to seat firmly in slope of chamber, which it is tapered 
to fit. 

Tighten clamp-wedge screw in rear adapter to cause the adapter 
clamp wedge to expand the adapter against walls of chamber, using 
the clamping wrench. 

Having made sure that subcaliber gun is as far forward as it can 
go, remove handspike. Slip locating gauge over obturator spindle 
plate, leaving a space between guage and spindle plate. Close breech 
gontly. If resistance is encountered, the gun is too far to the rear. 
Open the breech and turn gun right-handed. If no resistance is en- 
countered in closing, open breech and note Avhether gauge has been 
pushed back against spindle. If it has not been pushed all the way 
back, turn the gun left-handed one turn for each 0.1 inch. 

Continue to try in this manner until the gauge is pushed just 
against the spindle plate when closing tlie gun. 

Having adjusted subcaliber gun until the locating gauge is pushed 
exactly against spindle plate by closing breech, tighten the thread 
clamp screw with clamping wrench to prevent tlie subcaliber gun 
from turning. The gun is then read}^ for firing. 
-103939—17 3 ( 17 ) 



18 

DIRECTIONS FOR USE. 

Insert cartridge, close the breech, and fire as with regular ammu- 
nition, removing the empty cartridge case after each round with the 
hand extractor. 

If the case sticks when the limit of extraction given by the hand 
extractor is reached, use the clip extractor which is provided for such 
emergency. A light rope may be passed through the eye of this 
extractor and fcrce exerted by a lever against the face of the breech', 
il necessary. 

It is best to try locating gauge after one or two rounds, to be sure 
gun has not moved forward. 

Any fouling of vent in mushroom must be removed with vent 
cleaner. 

DIRECTIOXS FOR DISMOUNTING. 

Insert loading tray, if one is provided. 

Ease up both clamp screAvs, insert handspike, lift on same to 
support the weight, and pull the subcaliber gun to the rear and out ; 
if not easily withdrawn, use gun extractor. 

CARE AND HANDLING. 

Care should be taken in assembling and dismounting, and at all 
times, to prevent the turned surfaces of adapters from coming in 
contact with any hard substance. If a burr should appear it must 
be smoothly filed down before assembling. 

Particular care must be taken in leading not to drive the point 
of the shell against the edge of the chamber of the subcaliber gun. 

The clamp screws and adapter hubs should always be kept well 
oiled. An oil can is provided for this purpose. 

After firing, the bore of the subcaliber gun should be thoroughly 
sponged with warm soapsuds and be perfectly dry before the gun 
is returned to its chest. The chamber and bore of the gun should be 
lightly oiled when put away. The cleaning sponge is removable 
from its rod, and should be thoroughh^ cleaned and dried after use. 

Two types of 2.95-inch subcaliber gun are in service. The first 
type is intended for the 12 -inch mortar, model of 1886. This can also 
be used in the 12-inch mortar, model of 1886-90Mi, 1890, 1890Mi. and 
1908, when fitted with the proper adapters. 

' The second type, which is the only one now being made, is in- 
tended for use in the 12-inch mortar, model 1886-90Mi, 1890, 1890Mi, 
and 1908. Special adapters are made to fit this to the 12-inch mortar, 
model of 1912, and to the 12 -inch mortar, model of 1886. 



INSTRUCTIONS 

roB 



USfiNG THE RESIZING AJsD RELOADTSG OUTFIT FOR DRILL 
PRIMERS IN ASSEMBLING, DISASSEMBLING, CLEANING, RE- 
SIZING, AND RELOADING THE DRILL PRIMER. 

(Two plates.) 



IMPORTANT NOTE. 

The post ordnance officer of each coast artillery post should have supervision 
of the disassembling, cleaning, resizing, assembling, and reloading of drill 
primers, and should issue them to the compaViies as required. He should 
thoroughly familiarize himself with the contents of this pamphlet and see that 
the men assigned tvo the work of reloading do it exactly as prescribed within. 
He should impress upon these men the importance of following the instructions. 
The failure to do so has given much difficulty in the past. 

The resizing and reloading outfit for drill primer consists of the 
follov^dng parts: 

1 chest. 

3 assembling tools. 

3 disassembling tools. 

27 disassesmbling tool pins. 

3 reamers. 

3 funnels. 

3 chargers, 

1 push pin. 

1 resizing die. 

1 bushing. 

1 maximum gauge for length of wire under button. 

2 cleaning taps for button wire. 
1 instruction pamphlet. 

1 small primer-inserting press. 

With the exception of the small primer-inserting press, the outfit 
is shown on Plate II. 

THE DRILL PRIMER. 

Plate I. 

The drill primer is used for friction firing in seacoa'st guns. 5 to l\i 
inch,- inclusive, for firing sahites, night practice, siibca liber firings, 

(19) 



20 

etc., to avoid the expense of using the service combination electric 
and friction primer for such purposes. 

The components of the drill primer (Plate I) are issued in bulk 
upon requisition. The components are: 

The body. 

The button wire. 

The serrated wire with friction pellet. 

The end-closing cup. 

The charge (25 grains of loose rifle powder). 
A complete description of this primer will be found in Ordnance 
Pamphlet Form No. 1881. 

TO ASSEMBLE AND LOAD THE PRIMERS. 

The primers will be assembled not more than a few days before 
they are to be fired. To assemble the primer insert the serrated wire 
with friction pellet in its seat in the body, care being taken that the 
seat in the body for the friction pellet is clean and free from obstruc- 
tion. With the left liJlnd insert the assembling tool, slotted end fore- 
most, and turn, without pressure, until the assembling tool slips over 
the serrated wire. With the thumb and first finger of the right hand 
screw a button wire on the threaded rear end of the serrated wire. 
The maximum gauge for length of wire under button should be used 
to determine the required distance from the button to the body of 
the drill primer. 

Do not screiD the hutton ivire on too hard. If found tight^ unscrew 
the hutton wire and dean the threads with the cleaning tap for hut- 
ton wire. If the forward end of the serrated wire should he ticisted 
off hy too hard turning, the hody^ serrated wire^ and hutton wire are 
all worthless and must he thrown away^ hecause the primer can not 
he disassemhled. 

Pliers must not be used in assembling. Their use should not be 
necessary in this operation and may result in deformation of the 
threaded parts, disintegration of the friction pellet, or twisting off 
of the serrated wire. 

Still holding the primer in the left hand, place the funnel on the 
mouth, and with the charger fill the primer with 25 grains of loose 
rifle powder. With the right hand holding the assembling tool, 
moisten the unslotted end, insert it in the end-closing cup, and force 
the end-closing cup into the mouth of the body. The primer is then 
ready for firing. Should assembled primers be returned without 
being fired, they will be kept free from moisture until used. 

TQ DISASSEMBLE AND CLEAN THE PRIMERS. 

Immediately after the firing for the day has ceased, the fired 
drill primers should be turned over to the post ordnance officer, who 



21 

will take steps to have them disassembled and cleaned at once. 
After disassembling the serrated \Yire and button wire with the aid 
of the assembling tool and forcing out the serrated wire with the 
disassembling tool the bodies and button wires will be plunged into 
a hot solution of soda for about fifteen minutes, when the residue 
can be wiped off. The reamer will then be used to clean residue, 
from the seats in the body for the friction pellet and obturating 
cone on the serrated wire. Too much importance can not be at- 
tached to the necessity of removing all traces of the powder residue, 
as the residue from black powder quickly attacks the metal of the 
primer. Do not postpone disassembling the primer and cleaning 
the bodies and button wires until a later day, as it is only by prompt 
and thorough cleaning that the bodies can be kept in a serviceable 
condition. 

TO RESIZE THE BODY. 

Place the bushing in its seat in the primer-inserting press. After 
inserting the body in the resizing die, place the resizing die (with the 
base of the body upward) in its seat in the bushing. Turn the lever 
of the press so as to force the body fully home in the resizing die. 
Remove the resizing die and insert the spindle of the push pin in the 
mouth of body as far as it will enter. Again place the resizing die 
in its seat in the bushing, with the head of the push pin upward, and 
by turning the lever of the press force the body out of the resizing 
die. The body is then in condition for assembling and reloading. 

DIRECTIONS FOR PULLING THE DRILL PRIMER. 

These primers are adjusted in manufacture to require a pull of 
about 25 pounds to start the wire to the rear, and about 40 to 45 
pounds to pull the teeth on the serrated wire through the com- 
pressed friction pellet and explode it. 

The lanyard should he pulled from> a position as near the rear of 
the^gunas possihle^ since pulling it from the side will cause a variable 
part of the pull to be absorbed by friction in the firing leaf. A 
strong, steady pull from one man, with as short a lanyard as possible, 
should be used. When a long lanyard is used, the slack causes the 
force to be applied to the primer slowly, and this increases the chances 
for a misfire. The quicker the pull, the better for firing the primer, 
but when a man attempts to pull by a jerk he uses his arms only, los- 
ing the assistance of his body, and the strength of his pull will be less. 
If a primer can not be discharged by one man, it should be rejected 
and another used. By using more than one man on the lanyard, 
there would be danger of injuring the firing mechanism. 



22 

The primer is so constructed that when a primer is pulled and fails 
to fire, the primer wire is free, and if pushed forward may cause the 
friction composition to ignite. Such a primer should at once be dis- 
assembled by first taking out the brass closing cup and powder and 
then removing the serrated wire. 

War Depaktment, 

Office of the Chief of Ordnance, 

Washington, August 8, lUt^h 
January 18, 1904. 
Revised January 10, 1907. 
Revised April 14, 1910. 
Revised August 8, 1914. 
Form No. 1986. 
Ed. June 5-17-2,000. 



PL/ITEL 

/Pdr. subc/iuber gun 

FOR ALL S£ACO/IST GUN^ 
EXCEPT 4'D'S^ AND ^.72" A /^O S^APMSTRONG 3UA/S. 




GUN. 



STOff/lGE CHEST "b' 



S==3CiCl 



LOCATING GAUGZ. 



GUN EXTRACTOR. 



3C 



CLOWNING 5P0N6£. 



SPONCe ROD. 



czCIL 



HANDSPIKE.. 



AOsiUsrme wpcmch. 



HAND ormAQTOR. 



VENT CLEANER, 





J 




OlC CAN. 



CCIP eXTRACTOf7. 



36-/i>-zy 



PUTEH. 



/ P^A. 'SUB CAL/BER GUN. 

AOAPTED TO 4- "O-S, AND -^'.'TZ/IA/O 6 'A/fM3T/fON6 GUNS. 




) II ) in 



GUW. 




STORAGE CH£ST"B". 



C\.JE.AH\tiG SPONGE. 



2t 



SP0h4GE, ROD. 



GUN E.XTR>(CTOR. 



J=3ci:^ 



HANDSPIKE 



HAND EXTRACTOR. 



CUP EXTRACTOR, 



^ 



OIL CAN. 



kS6 -/6 -Z4- 



PL/IT£m. 



AD/IPTE/PS. Sn?/?/IS£ 0//£6T "CMD 70016 

FOfi a. /0/tA/D /2~/N. 6(/A/S, MODELS OF /aes &/39S. 
/IND /^-/V GUNS /fLL MODELS. 






REAR ADAPTED. 



CENTER SUFPOfTT. 



FPONT ADAPTER. 



e 



y 



AOAPTEI? CHECir PLATE. ADAPTEI? CLAMP iVCOee. CLAMP Mr£OG& SCPEW. 




FRONT AOAFTCR. 

•o-iN. 1889 ^fcle©B. 



r|?ONT ADAPTCR, 
6-IN. 1808. 



PffiMEA rL>*Mn B>»PrcE. 



3€-/^- -^« 



PL/iTflJV. 



AD/)PTE/?S. ST0/r>/l6£ C/^EST 'V"MD TOOLS 

FOfi/O AND /S-/M Si/A/S, MOD£L OF /900. 




STOP PLATC 



^ 



/^OAPTCf? CLAMP WCOGE- 



n^^^ AOAPreR. 




FRONT AOAPTCR. 



REAWAo/x prri? SHor. 



AO/^PTER CHECK PCATK. 



PRMVICf? FLAME eA^flC. 




OUAMPlNe VVPeHCK 



SEOURINO SCREW- 



^ 



SeCURiNO ^CRCWWRCNCH. 



34,- ^(> - 3.S' 



FUTE 1/: 

ADAPTERS, STO/?AG£ CHEST "G"/IND TOOLS 

FO/? 5-/N. GUNS, MOD£LS OF /S97 A /900, 
AND 6-/N. eUNS, ALL MODELS. 



EXP/4NOINO SCfTEVV. 



@D 




ff?ONT/40^PTEf?. MUZZLE SUPPORT. 



MKtZZLC eUPPOPr 
SET SCRCW. 




ffEAR AVAPreR 

WEDGE SCRZW FOR 6'flUNS. 
FOR 6" GUNS. 




REAR ADAPTER. 



ADAPTER SHOE 



R^AR AOAPTER 
5HO£. 



ADAPTER SHOE 
WED«E. 
S-1900, 



fROHT 
CENTER ADAPrCR. 

svppom: 

FOR ff "SUNS. 




STORAGE CHEST "C. 



SECURING SCREW, 



DISMOUNTING PIN. 



OBTURATOR 
SPINDLE PLATE. 



a: 



PRIMCFT FLAML B/IFrtE. 



inrS) 



CLAMPING SCREW DRIVER. 



36-/^-.23 



PL/ITEVr, 



/ID/JP7£/?S, SWP/JS£C;/y£ST V'/fM) TOOLS 

FOP ^-m Dm3GS-SOM^O£D£ff, ^.72 /lA^D ff-ZM 




eXBANOtNG SCRCIV. 




CEIMTCR SUPPOf?T. 



h^VTZLE. SUPPORT. 




STOR/\CE CHEST "C: 



DfSMOUNTING PIN. 



d 



~ (I J-^ 



CLAMPING SCREW Dmve.rf. 



^.9S JN. SUB CALIBER GUA/. 

ADAPT£0 TO /Z /f/- MORTAflS, MOO£LS Of^ /ae6, 
/a 66 -'so M*, /eSO, /eSOMi, /908 /IND /9/2. 





C 




GUN. 



REAfl 404PTEW. FROWT ADAPTER. 



THREAD CLAMP 

screw: 

ADAPTER 
CLAMP WEOQE. 



CLAMP W£OQE 
SCREW. 




"-— a^S^^I^-rc. ^"-"?«'."^"'|g^2-f 



O/u CAN. 



^6-'/6-ZZ 



PLATE I 



D/F/LL PR/MER. 





^==^^i^^5^ 



vz^mm^^my 



1^ 

BODY 

FRICTION PELLET 




SND CLOS/NG CUP. 



^ 



SSffffATEO W/ffE 



BUTTON. 



Wr 



B(/7-rO/V W/ff£ 



I ' I' I I I I I I I 





Rzyr /iPR. 10, 1914- j^- 23 -S^ 



ZZOJ 




o 



LIBRARY OF CONGRESS 



021 899 181 6 



' "Sit 




METALEDGE. INC. 2001 
PH7^T09^RA.X 



LIBR.'-.RV OF CONGRESS 

lilllllll|^;il(iiilri|iil 



III 



021 899 181 6 * 



